content: /* Copyright (C) 2016-2018 Alibaba Group Holding Limited
  
  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at
  
      http://www.apache.org/licenses/LICENSE-2.0
  
  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
  ==============================================================================*/
  
  // Protocol Buffers - Google's data interchange format
  // Copyright 2008 Google Inc.  All rights reserved.
  // https://developers.google.com/protocol-buffers/
  //
  // Redistribution and use in source and binary forms, with or without
  // modification, are permitted provided that the following conditions are
  // met:
  //
  //     * Redistributions of source code must retain the above copyright
  // notice, this list of conditions and the following disclaimer.
  //     * Redistributions in binary form must reproduce the above
  // copyright notice, this list of conditions and the following disclaimer
  // in the documentation and/or other materials provided with the
  // distribution.
  //     * Neither the name of Google Inc. nor the names of its
  // contributors may be used to endorse or promote products derived from
  // this software without specific prior written permission.
  //
  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
  package com.google.protobuf;
  
  import java.io.IOException;
  
  /**
   * Thrown when a protocol message being parsed is invalid in some way,
   * e.g. it contains a malformed varint or a negative byte length.
   *
   * @author kenton@google.com Kenton Varda
   */
  public class InvalidProtocolBufferException extends IOException {
    private static final long serialVersionUID = -1616151763072450476L;
    private MessageLite unfinishedMessage = null;
  
    public InvalidProtocolBufferException(final String description) {
      super(description);
    }
  
    public InvalidProtocolBufferException(IOException e) {
      super(e.getMessage(), e);
    }
  
    public InvalidProtocolBufferException(final String description, IOException e) {
      super(description, e);
    }
  
    /**
     * Attaches an unfinished message to the exception to support best-effort
     * parsing in {@code Parser} interface.
     *
     * @return this
     */
    public InvalidProtocolBufferException setUnfinishedMessage(
        MessageLite unfinishedMessage) {
      this.unfinishedMessage = unfinishedMessage;
      return this;
    }
  
    /**
     * Returns the unfinished message attached to the exception, or null if
     * no message is attached.
     */
    public MessageLite getUnfinishedMessage() {
      return unfinishedMessage;
    }
  
    /**
     * Unwraps the underlying {@link IOException} if this exception was caused by an I/O
     * problem. Otherwise, returns {@code this}.
     */
    public IOException unwrapIOException() {
      return getCause() instanceof IOException ? (IOException) getCause() : this;
    }
  
    static InvalidProtocolBufferException truncatedMessage() {
      return new InvalidProtocolBufferException(
        "While parsing a protocol message, the input ended unexpectedly " +
        "in the middle of a field.  This could mean either that the " +
        "input has been truncated or that an embedded message " +
        "misreported its own length.");
    }
  
    static InvalidProtocolBufferException negativeSize() {
      return new InvalidProtocolBufferException(
        "CodedInputStream encountered an embedded string or message " +
        "which claimed to have negative size.");
    }
  
    static InvalidProtocolBufferException malformedVarint() {
      return new InvalidProtocolBufferException(
        "CodedInputStream encountered a malformed varint.");
    }
  
    static InvalidProtocolBufferException invalidTag() {
      return new InvalidProtocolBufferException(
        "Protocol message contained an invalid tag (zero).");
    }
  
    static InvalidProtocolBufferException invalidEndTag() {
      return new InvalidProtocolBufferException(
        "Protocol message end-group tag did not match expected tag.");
    }
  
    static InvalidWireTypeException invalidWireType() {
      return new InvalidWireTypeException(
        "Protocol message tag had invalid wire type.");
    }
  
    /**
     * Exception indicating that and unexpected wire type was encountered for a field.
     */
    @ExperimentalApi
    public static class InvalidWireTypeException extends InvalidProtocolBufferException {
      private static final long serialVersionUID = 3283890091615336259L;
  
      public InvalidWireTypeException(String description) {
        super(description);
      }
    }
  
    static InvalidProtocolBufferException recursionLimitExceeded() {
      return new InvalidProtocolBufferException(
        "Protocol message had too many levels of nesting.  May be malicious.  " +
        "Use CodedInputStream.setRecursionLimit() to increase the depth limit.");
    }
  
    static InvalidProtocolBufferException sizeLimitExceeded() {
      return new InvalidProtocolBufferException(
        "Protocol message was too large.  May be malicious.  " +
        "Use CodedInputStream.setSizeLimit() to increase the size limit.");
    }
  
    static InvalidProtocolBufferException parseFailure() {
      return new InvalidProtocolBufferException("Failed to parse the message.");
    }
  
    static InvalidProtocolBufferException invalidUtf8() {
      return new InvalidProtocolBufferException("Protocol message had invalid UTF-8.");
    }
  }
  